regz and stm32: Support array fields in registers #53

Job	Run time
Dry Run Packaging	1m 18s
Build Examples (espressif/esp)	2m 20s
Build Website	21s
Check that stm32 generated code is up to date	1m 12s
Build Examples (gigadevice/gd32)	2m 21s
Build Examples (microchip/avr)	2m 12s
Unit Test Ports (ubuntu-latest, gigadevice/gd32)	16s
Build Examples (microchip/atsam)	2m 6s
Unit Test Regz (ubuntu-latest)	26s
Unit Test Ports (ubuntu-latest, raspberrypi/rp2xxx)	25s
Unit Test UF2 (ubuntu-latest)	16s
Unit Test Regz (windows-latest)	1m 26s
Build Examples (nordic/nrf5x)	1m 59s
Unit Test Ports (ubuntu-latest, stmicro/stm32)	22s
Unit Test UF2 (windows-latest)	58s
Unit Test Regz (macos-latest)	50s
Unit Test Ports (windows-latest, gigadevice/gd32)	1m 6s
Unit Test UF2 (macos-latest)	23s
Build Examples (nxp/lpc)	1m 57s
Unit Test Ports (windows-latest, raspberrypi/rp2xxx)	1m 9s
Build Examples (stmicro/stm32)	28s
Unit Test Ports (windows-latest, stmicro/stm32)	1m 4s
Build Examples (raspberrypi/rp2xxx)	2m 28s
Unit Test Ports (macos-latest, gigadevice/gd32)	27s
Build Examples (wch/ch32v)	2m 12s
Unit Test Ports (macos-latest, raspberrypi/rp2xxx)	30s
Unit Test Ports (macos-latest, stmicro/stm32)	33s
	31m 5s

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